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TS1103-50EG6T Datasheet(Fiches technique) 3 Page - Touchstone Semiconductor Inc

Numéro de pièce TS1103-50EG6T
Description  A 1μA, 200μVOS Bidirectional Precision Current-Sense Amplifier
Télécharger  11 Pages
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Fabricant  TOUCHSTONE [Touchstone Semiconductor Inc]
Site Internet  http://www.touchstonesemi.com
Logo TOUCHSTONE - Touchstone Semiconductor Inc

TS1103-50EG6T Datasheet(HTML) 3 Page - Touchstone Semiconductor Inc

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TS1103
TS1103DS r1p0
Page 3
RTFDS
ELECTRICAL CHARACTERISTICS
VRS+ = 3.6V; VSENSE = (VRS+ - VRS-) = 0V; COUT = 47nF; VDD = 1.8V; TA = -40°C to +105°C, unless otherwise noted.
Typical values are at TA = +25°C. See Note 1.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Current (Note 2)
ICC
TA = +25°C
0.68
0.85
μA
1.0
VRS+ = 25V
TA = +25°C
1.0
1.2
Common-Mode Input Range
VCM
Guaranteed by CMRR
2
25
V
CURRENT SENSE AMPLIFIER PARAMETERS
Common-Mode Rejection Ratio
CMRR
2V < VRS+ < 25V
120
150
dB
Input Offset Voltage (Note 3)
VOS
TA = +25°C
±30
±200
μV
±300
VOS Hysteresis (Note 4)
VHYS
TA = +25°C
10
µV
Gain
G
TS1103-25
25
V/V
TS1103-50
50
TS1103-100
100
TS1103-200
200
Gain Error (Note 5)
GE
TA = +25°C
±0.2
±0.6
%
±1.0
Gain Match (Note 5)
GM
TA = +25°C
±0.2
±0.6
%
±1
Output Resistance (Note 6)
ROUT
TS1103-25/50/100
7.0
10
13.2
TS1103-200
14.0
20
26.4
OUT Low Voltage
VAOL
Gain = 25
5
mV
Gain = 50
10
Gain = 100
20
Gain = 200
40
OUT High Voltage (Note 7)
VAOH
VOH = VRS- - VOUT
0.05
0.2
V
Output Settling Time
tS
TS1103-25/50/100
1% final value, VOUT = 3V
2.2
ms
TS1103-200
4.3
SIGN COMPARATOR PARAMETERS
VDD Supply Voltage Range
VDD
1.25
5.5
V
VDD Supply Current
IDD
0.02
0.2
µA
Output Low Voltage
VCOL
VDD = 1.25V, ISINK = 5µA
0.2
V
VDD = 1.8V, ISINK = 35µA
Output High Voltage
VCOH
VDD = 1.25V, ISOURCE = 5µA
VDD – 0.2
V
VDD = 1.8V, ISOURCE = 35µA
Propagation Delay
tPD
VSENSE = ±1mV
3
ms
VSENSE = ±10mV
0.4
Note 1: All devices are 100% production tested at TA = +25°C. All temperature limits are guaranteed by product
characterization.
Note 2: Extrapolated to VOUT = 0. ICC is the total current into the RS+ and the RS- pins.
Note 3: Input offset voltage VOS is extrapolated from a VOUT+ measurement with VSENSE set to +1mV and a VOUT- measurement
with VSENSE set to -1mV; vis-a-viz,
Average VOS =
V
-
-
V
+
x A
Note 4: Amplitude of VSENSE lower or higher than VOS required to cause the comparator to switch output states.
Note 5: Gain error applies to current flow in either direction and is calculated by applying two values for VSENSE and then
calculating the error of the actual slope vs. the ideal transfer characteristic:
For GAIN = 25, the applied VSENSE is 20mV and 120mV.
For GAIN = 50, the applied VSENSE is 10mV and 60mV.
For GAIN = 100, the applied VSENSE is 5mV and 30mV.
For GAIN = 200, the applied VSENSE is 2.5mV and 15mV.
Note 6: The device is stable for any capacitive load at VOUT.
Note 7: VOH is the voltage from VRS- to VOUT with VSENSE = 3.6V/GAIN.


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